4392280 has 16 divisors (see below), whose sum is σ = 9882720. Its totient is φ = 1756896.

The previous prime is 4392263. The next prime is 4392281. The reversal of 4392280 is 822934.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4392281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54864 + ... + 54943.

It is an arithmetic number, because the mean of its divisors is an integer number (617670).

Almost surely, 2^4392280 is an apocalyptic number.

4392280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4392280 is an abundant number, since it is smaller than the sum of its proper divisors (5490440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4392280 is a wasteful number, since it uses less digits than its factorization.

4392280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109818 (or 109814 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 4392280 is about 2095.7767056631. The cubic root of 4392280 is about 163.7683622553.

The spelling of 4392280 in words is "four million, three hundred ninety-two thousand, two hundred eighty".